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Iran War Escalates as Houthis Threaten New Blockade

Defense leaders to testify on Iran conflict as Yemen-based militia targets critical shipping route.

2026-07-21 · synthesized from 18 sources

Defense Secretary Pete Hegseth and Joint Chiefs Chairman Gen. Dan Caine will testify before a Senate committee as the U.S.-Iran conflict intensifies [CBS News]. The escalation extends beyond direct military action: Houthi rebels aligned with Iran have announced a naval blockade of the Bab el-Mandeb Strait, a key waterway for global shipping [NPR].

Meanwhile, the Trump administration issued a worldwide travel warning for Americans [UPI], reflecting broader regional instability. On a diplomatic front, Lebanese President Joseph Aoun will meet President Trump on Tuesday as Israel begins its first military withdrawal from Lebanon [Axios].

Trade and Domestic Policy Shifts

Tariff tensions are mounting beyond Canada. U.S. Trade Representative Jamieson Greer signaled new tariffs on 60 trading partners as Trump's temporary duties expire Friday [Al Jazeera]. Meanwhile, the Trump administration froze over $1 billion in Medicaid payments to California and Minnesota citing fraud concerns [The Hill].

Other developments: Nicaragua's President Daniel Ortega has ended all elections, consolidating authoritarian control alongside his wife [Newsweek]. German Chancellor Merz will host Azerbaijan's President Aliyev to discuss energy and Armenia [DW English]. In India, youth-led protests against PM Modi's government continue after police crackdowns [NPR]. And Taylor Farms pulled iceberg lettuce linked to a cyclosporiasis outbreak [CBS News].

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